! Started logfile: /vlbi/sb072/temp_maps//J1557-0001_C_dfm.log on Tue Mar 5 23:18:02 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1557-0001_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1557-0001_C_uvm.fits ! AN table 1: 3 integrations on 28 of 28 possible baselines. ! AN table 2: 3 integrations on 3 of 3 possible baselines. ! AN table 3: 4 integrations on 15 of 15 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1557-0001 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 1224 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1557-0001_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.050814Jy sigma=58.578515 ! Fit after self-cal, rms=0.632008Jy sigma=36.494020 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.371 mas, bmaj=3.293 mas, bpa=4.12 degrees ! Estimated noise=0.530301 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.255898 Jy ! Component: 100 - total flux cleaned = 0.323118 Jy ! Total flux subtracted in 100 components = 0.323118 Jy ! Clean residual min=-0.026753 max=0.042255 Jy/beam ! Clean residual mean=-0.000045 rms=0.006292 Jy/beam ! Combined flux in latest and established models = 0.323118 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.323118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.129581Jy sigma=5.644389 ! Fit after self-cal, rms=0.129579Jy sigma=5.644228 ! Inverting map ! Added new window around map position (2.7, -3.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0399826 Jy ! Component: 100 - total flux cleaned = 0.0518832 Jy ! Total flux subtracted in 100 components = 0.0518832 Jy ! Clean residual min=-0.025315 max=0.028138 Jy/beam ! Clean residual mean=-0.000047 rms=0.005338 Jy/beam ! Combined flux in latest and established models = 0.375001 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 12 components and 0.375001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.106119Jy sigma=4.885983 ! Fit after self-cal, rms=0.105762Jy sigma=4.869153 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.739 mas, bmaj=3.912 mas, bpa=3.459 degrees ! Estimated noise=0.40165 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0286921 Jy ! Component: 100 - total flux cleaned = 0.0419784 Jy ! Component: 150 - total flux cleaned = 0.0460804 Jy ! Component: 200 - total flux cleaned = 0.0494218 Jy ! Total flux subtracted in 200 components = 0.0494218 Jy ! Clean residual min=-0.024198 max=0.027177 Jy/beam ! Clean residual mean=-0.000145 rms=0.005761 Jy/beam ! Combined flux in latest and established models = 0.424423 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 35 components and 0.424423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.091291Jy sigma=4.751682 ! Fit after self-cal, rms=0.091181Jy sigma=4.745587 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.739 x 3.912 at 3.459 degrees (North through East) ! Clean map min=-0.023293 max=0.34346 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 KP 1.12 LA 1.20 MK 0.98 ! NL 1.04 OV 0.95 PT 1.10 SC 1.32 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.86 KP 0.85 LA 0.93 NL 1.10 ! PT 0.81 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 KP 1.15 LA 1.18 MK 0.96 ! NL 1.11 OV 0.95 PT 1.09 SC 1.32 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.89 KP 0.86 LA 0.93 NL 1.10 ! PT 0.81 SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 KP 1.18 LA 1.17 MK 0.95 ! NL 1.09 OV 0.93 PT 1.12 SC 1.31 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.88 KP 0.86 LA 0.94 NL 1.05 ! PT 0.80 SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 KP 1.19 LA 1.17 MK 0.99 ! NL 1.14 OV 0.93 PT 1.11 SC 1.28 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.88 KP 0.87 LA 0.94 NL 1.05 ! PT 0.82 SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 KP 1.20 LA 1.18 MK 0.95 ! NL 1.11 OV 0.94 PT 1.16 SC 1.25 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.87 KP 0.86 LA 0.94 NL 1.07 ! PT 0.82 SC 0.84 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 KP 1.19 LA 1.17 MK 1.00 ! NL 1.12 OV 0.95 PT 1.15 SC 1.23 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.88 KP 0.86 LA 0.95 NL 1.06 ! PT 0.81 SC 0.82 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 KP 1.18 LA 1.17 MK 1.01 ! NL 1.11 OV 0.94 PT 1.14 SC 1.21 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.87 KP 0.85 LA 0.94 NL 1.05 ! PT 0.81 SC 0.81 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 KP 1.19 LA 1.16 MK 1.03 ! NL 1.12 OV 0.96 PT 1.14 SC 1.22 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* MK 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.87 KP 0.85 LA 0.93 NL 1.05 ! PT 0.82 SC 0.82 ! ! ! Fit before self-cal, rms=0.091181Jy sigma=4.745587 ! Fit after self-cal, rms=0.031227Jy sigma=1.449266 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.8 mas, bmaj=4.117 mas, bpa=5.093 degrees ! Estimated noise=0.414154 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00772904 Jy ! Component: 100 - total flux cleaned = -0.00751064 Jy ! Component: 150 - total flux cleaned = -0.00687405 Jy ! Component: 200 - total flux cleaned = -0.00668587 Jy ! Total flux subtracted in 200 components = -0.00668587 Jy ! Clean residual min=-0.006602 max=0.006098 Jy/beam ! Clean residual mean=0.000003 rms=0.001372 Jy/beam ! Combined flux in latest and established models = 0.417737 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.417737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.024875Jy sigma=1.160346 ! Fit after self-cal, rms=0.024336Jy sigma=1.135818 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.024336Jy sigma=1.135818 ! Fit after self-cal, rms=0.023805Jy sigma=1.096509 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.805 mas, bmaj=4.127 mas, bpa=5.193 degrees ! Estimated noise=0.413401 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00458389 Jy ! Component: 100 - total flux cleaned = -0.0041119 Jy ! Component: 150 - total flux cleaned = -0.00411428 Jy ! Component: 200 - total flux cleaned = -0.00411076 Jy ! Total flux subtracted in 200 components = -0.00411076 Jy ! Clean residual min=-0.005143 max=0.004838 Jy/beam ! Clean residual mean=0.000006 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.413626 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 47 components and 0.413626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021005Jy sigma=0.979334 ! Fit after self-cal, rms=0.020865Jy sigma=0.973628 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000335162 Jy ! Component: 100 - total flux cleaned = -0.0002327 Jy ! Component: 150 - total flux cleaned = -0.000140052 Jy ! Component: 200 - total flux cleaned = -5.49362e-05 Jy ! Total flux subtracted in 200 components = -5.49362e-05 Jy ! Clean residual min=-0.004775 max=0.004398 Jy/beam ! Clean residual mean=0.000006 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 0.413572 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 0.413572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.019842Jy sigma=0.931191 ! Fit after self-cal, rms=0.019822Jy sigma=0.930297 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.019822Jy sigma=0.930297 ! Fit after self-cal, rms=0.019412Jy sigma=0.903458 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.811 mas, bmaj=4.135 mas, bpa=5.217 degrees ! Estimated noise=0.413214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00193821 Jy ! Component: 100 - total flux cleaned = -0.00203324 Jy ! Component: 150 - total flux cleaned = -0.00194896 Jy ! Component: 200 - total flux cleaned = -0.00194753 Jy ! Total flux subtracted in 200 components = -0.00194753 Jy ! Clean residual min=-0.004260 max=0.004260 Jy/beam ! Clean residual mean=0.000007 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 0.411624 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 59 components and 0.411624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.018315Jy sigma=0.860129 ! Fit after self-cal, rms=0.018291Jy sigma=0.858952 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-4.5, 19.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00243116 Jy ! Component: 100 - total flux cleaned = 0.00324319 Jy ! Component: 150 - total flux cleaned = 0.00394973 Jy ! Component: 200 - total flux cleaned = 0.00415957 Jy ! Total flux subtracted in 200 components = 0.00415957 Jy ! Clean residual min=-0.003663 max=0.003243 Jy/beam ! Clean residual mean=0.000005 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.415784 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.415784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.017135Jy sigma=0.800504 ! Fit after self-cal, rms=0.017088Jy sigma=0.798901 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.017088Jy sigma=0.798901 ! Fit after self-cal, rms=0.016887Jy sigma=0.791337 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.205 mas, bmaj=6.963 mas, bpa=4.302 degrees ! Estimated noise=0.49631 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00040042 Jy ! Component: 100 - total flux cleaned = -0.000241743 Jy ! Component: 150 - total flux cleaned = -5.88782e-05 Jy ! Component: 200 - total flux cleaned = 2.11411e-05 Jy ! Total flux subtracted in 200 components = 2.11411e-05 Jy ! Clean residual min=-0.002409 max=0.003134 Jy/beam ! Clean residual mean=0.000010 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.415805 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 86 components and 0.415805 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.016757Jy sigma=0.779059 ! Fit after self-cal, rms=0.016704Jy sigma=0.776707 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000249196 Jy ! Component: 100 - total flux cleaned = -0.000173659 Jy ! Component: 150 - total flux cleaned = -0.00010194 Jy ! Component: 200 - total flux cleaned = -6.99272e-05 Jy ! Total flux subtracted in 200 components = -6.99272e-05 Jy ! Clean residual min=-0.002359 max=0.003075 Jy/beam ! Clean residual mean=0.000010 rms=0.000749 Jy/beam ! Combined flux in latest and established models = 0.415735 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 94 components and 0.415735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.016630Jy sigma=0.770748 ! Fit after self-cal, rms=0.016615Jy sigma=0.769850 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.813 mas, bmaj=4.138 mas, bpa=5.218 degrees ! Estimated noise=0.412595 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.813 x 4.138 at 5.218 degrees (North through East) ! Clean map min=-0.0084582 max=0.35118 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.408 mas, bmaj=3.435 mas, bpa=5.162 degrees ! Estimated noise=0.56701 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.268605 Jy ! Component: 100 - total flux cleaned = 0.330563 Jy ! Component: 150 - total flux cleaned = 0.356406 Jy ! Component: 200 - total flux cleaned = 0.371314 Jy ! Total flux subtracted in 200 components = 0.371314 Jy ! Clean residual min=-0.006293 max=0.007987 Jy/beam ! Clean residual mean=-0.000002 rms=0.001541 Jy/beam ! Combined flux in latest and established models = 0.371314 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.371314 Jy ! Inverting map and beam ! Estimated beam: bmin=1.813 mas, bmaj=4.138 mas, bpa=5.218 degrees ! Estimated noise=0.412595 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0166238 Jy ! Component: 100 - total flux cleaned = 0.0258299 Jy ! Component: 150 - total flux cleaned = 0.0314591 Jy ! Component: 200 - total flux cleaned = 0.0354352 Jy ! Total flux subtracted in 200 components = 0.0354352 Jy ! Clean residual min=-0.003430 max=0.004771 Jy/beam ! Clean residual mean=0.000007 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 0.406749 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 59 components and 0.406749 Jy ! Inverting map ! Added new window around map position (4.5, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365992 Jy ! Component: 100 - total flux cleaned = 0.004847 Jy ! Component: 150 - total flux cleaned = 0.00533741 Jy ! Component: 200 - total flux cleaned = 0.00567737 Jy ! Total flux subtracted in 200 components = 0.00567737 Jy ! Clean residual min=-0.003172 max=0.002693 Jy/beam ! Clean residual mean=0.000005 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.412427 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 0.412426 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.205 mas, bmaj=6.963 mas, bpa=4.302 degrees ! Estimated noise=0.49631 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000747851 Jy ! Component: 100 - total flux cleaned = 0.00127246 Jy ! Component: 150 - total flux cleaned = 0.0014955 Jy ! Component: 200 - total flux cleaned = 0.00164719 Jy ! Total flux subtracted in 200 components = 0.00164719 Jy ! Clean residual min=-0.002272 max=0.002635 Jy/beam ! Clean residual mean=0.000008 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.414074 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000182751 Jy ! Component: 100 - total flux cleaned = 0.000385953 Jy ! Component: 150 - total flux cleaned = 0.000535652 Jy ! Component: 200 - total flux cleaned = 0.000745133 Jy ! Total flux subtracted in 200 components = 0.000745133 Jy ! Clean residual min=-0.002148 max=0.002457 Jy/beam ! Clean residual mean=0.000008 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.414819 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 114 components and 0.414819 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.813 mas, bmaj=4.138 mas, bpa=5.218 degrees ! Estimated noise=0.412595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000222018 Jy ! Component: 100 - total flux cleaned = -0.000284587 Jy ! Component: 150 - total flux cleaned = -0.000286611 Jy ! Component: 200 - total flux cleaned = -0.000287898 Jy ! Total flux subtracted in 200 components = -0.000287898 Jy ! Clean residual min=-0.002796 max=0.002272 Jy/beam ! Clean residual mean=0.000005 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.414531 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 129 components and 0.414531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.014846Jy sigma=0.707994 ! Fit after self-cal, rms=0.014704Jy sigma=0.697998 wmodel J1557-0001_C_map.mod ! Writing 129 model components to file: J1557-0001_C_map.mod wobs J1557-0001_C_uvs.fits ! Writing UV FITS file: J1557-0001_C_uvs.fits wwins J1557-0001_C_map.win ! wwins: Wrote 4 windows to J1557-0001_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00107599 Jy ! Component: 100 - total flux cleaned = -0.00153119 Jy ! Component: 150 - total flux cleaned = -0.00172153 Jy ! Component: 200 - total flux cleaned = -0.00186348 Jy ! Component: 250 - total flux cleaned = -0.0018302 Jy ! Component: 300 - total flux cleaned = -0.00186196 Jy ! Component: 350 - total flux cleaned = -0.00186173 Jy ! Component: 400 - total flux cleaned = -0.00192042 Jy ! Component: 450 - total flux cleaned = -0.00200406 Jy ! Component: 500 - total flux cleaned = -0.00208469 Jy ! Component: 550 - total flux cleaned = -0.00216217 Jy ! Component: 600 - total flux cleaned = -0.00228632 Jy ! Component: 650 - total flux cleaned = -0.00245423 Jy ! Component: 700 - total flux cleaned = -0.00264009 Jy ! Component: 750 - total flux cleaned = -0.00279742 Jy ! Component: 800 - total flux cleaned = -0.00288448 Jy ! Component: 850 - total flux cleaned = -0.00294775 Jy ! Component: 900 - total flux cleaned = -0.00300899 Jy ! Component: 950 - total flux cleaned = -0.00308854 Jy ! Component: 1000 - total flux cleaned = -0.00312725 Jy ! Component: 1050 - total flux cleaned = -0.0031649 Jy ! Component: 1100 - total flux cleaned = -0.00316489 Jy ! Component: 1150 - total flux cleaned = -0.00320138 Jy ! Component: 1200 - total flux cleaned = -0.00325488 Jy ! Component: 1250 - total flux cleaned = -0.00330681 Jy ! Component: 1300 - total flux cleaned = -0.00334072 Jy ! Component: 1350 - total flux cleaned = -0.00339041 Jy ! Component: 1400 - total flux cleaned = -0.00337419 Jy ! Component: 1450 - total flux cleaned = -0.0033268 Jy ! Component: 1500 - total flux cleaned = -0.00337306 Jy ! Component: 1550 - total flux cleaned = -0.00331235 Jy ! Component: 1600 - total flux cleaned = -0.00335742 Jy ! Component: 1650 - total flux cleaned = -0.00340117 Jy ! Component: 1700 - total flux cleaned = -0.00340091 Jy ! Component: 1750 - total flux cleaned = -0.00337247 Jy ! Component: 1800 - total flux cleaned = -0.00334435 Jy ! Component: 1850 - total flux cleaned = -0.00334424 Jy ! Component: 1900 - total flux cleaned = -0.00331698 Jy ! Component: 1950 - total flux cleaned = -0.00330397 Jy ! Component: 2000 - total flux cleaned = -0.00331691 Jy ! Component: 2050 - total flux cleaned = -0.0033037 Jy ! Component: 2100 - total flux cleaned = -0.00330377 Jy ! Component: 2150 - total flux cleaned = -0.00336616 Jy ! Component: 2200 - total flux cleaned = -0.00331666 Jy ! Component: 2250 - total flux cleaned = -0.00334111 Jy ! Component: 2300 - total flux cleaned = -0.00336506 Jy ! Component: 2350 - total flux cleaned = -0.00337678 Jy ! Component: 2400 - total flux cleaned = -0.00337674 Jy ! Component: 2450 - total flux cleaned = -0.00337667 Jy ! Component: 2500 - total flux cleaned = -0.00338807 Jy ! Component: 2550 - total flux cleaned = -0.00338808 Jy ! Component: 2600 - total flux cleaned = -0.00338799 Jy ! Component: 2650 - total flux cleaned = -0.00335521 Jy ! Component: 2700 - total flux cleaned = -0.00334434 Jy ! Component: 2750 - total flux cleaned = -0.00330151 Jy ! Component: 2800 - total flux cleaned = -0.00324883 Jy ! Component: 2850 - total flux cleaned = -0.00321746 Jy ! Component: 2900 - total flux cleaned = -0.00322785 Jy ! Component: 2950 - total flux cleaned = -0.00319726 Jy ! Component: 3000 - total flux cleaned = -0.00318719 Jy ! Component: 3050 - total flux cleaned = -0.00318709 Jy ! Component: 3100 - total flux cleaned = -0.00315764 Jy ! Component: 3150 - total flux cleaned = -0.00319652 Jy ! Component: 3200 - total flux cleaned = -0.00317706 Jy ! Component: 3250 - total flux cleaned = -0.00316763 Jy ! Component: 3300 - total flux cleaned = -0.00314878 Jy ! Component: 3350 - total flux cleaned = -0.00315809 Jy ! Component: 3400 - total flux cleaned = -0.00314895 Jy ! Component: 3450 - total flux cleaned = -0.00313997 Jy ! Component: 3500 - total flux cleaned = -0.00314 Jy ! Component: 3550 - total flux cleaned = -0.00312198 Jy ! Component: 3600 - total flux cleaned = -0.00312197 Jy ! Component: 3650 - total flux cleaned = -0.00310428 Jy ! Component: 3700 - total flux cleaned = -0.003087 Jy ! Component: 3750 - total flux cleaned = -0.0030956 Jy ! Component: 3800 - total flux cleaned = -0.00309552 Jy ! Component: 3850 - total flux cleaned = -0.00306187 Jy ! Component: 3900 - total flux cleaned = -0.00306199 Jy ! Component: 3950 - total flux cleaned = -0.00303725 Jy ! Component: 4000 - total flux cleaned = -0.00305358 Jy ! Component: 4050 - total flux cleaned = -0.00302933 Jy ! Total flux subtracted in 4096 components = -0.00304547 Jy ! Clean residual min=-0.000474 max=0.000448 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.411485 Jy keep ! Adding 235 model components to the UV plane model. ! The established model now contains 364 components and 0.411485 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1557-0001_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.813 x 4.138 at 5.218 degrees (North through East) ! Clean map min=-0.0031286 max=0.35571 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1557-0001_C_map.fits wmodel /vlbi/sb072/temp_maps//J1557-0001_C_map.mod ! Writing 364 model components to file: /vlbi/sb072/temp_maps//J1557-0001_C_map.mod wobs /vlbi/sb072/temp_maps//J1557-0001_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1557-0001_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1557-0001_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1557-0001_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.355705 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000138709 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.116986 0.116986 0.233972 0.467945 0.93589 1.87178 3.74356 7.48712 14.9742 29.9485 59.8969 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.355 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2564.4 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1557-0001_C_dfm.log closed on Tue Mar 5 23:18:06 2019